Square Root Calculator › Square root of 392
Square Root of 392
√392 ≈ 19.79899
392 is not a perfect square, so √392 is an irrational number that is approximately 19.79899. In simplified radical form, √392 = 14√2.
√392 lies between √361 = 19 and √400 = 20.
| Number | 392 |
| Square root (decimal) | 19.79899 |
| Simplified radical | 14√2 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 392 a perfect square?
No, 392 is not a perfect square, so its square root is irrational and approximately 19.79899.
What is the square root of 392 in simplest radical form?
√392 = 14√2 in simplest radical form.